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7 Replies Latest reply: Oct 23, 2012 12:20 PM by Apostolis RSS

How to increase disk space

Apostolis Newbie
Currently Being Moderated
Hello,

I downloaded the Enterprise Java Development VM from the Pre-Built Developer VMs (http://www.oracle.com/technetwork/community/developer-vm/index.html) which has the Oracle Linux 5 OS.

After some days of using it, on of the partitions does not have any free space. Here is the result of df -all -h:

[root@localhost oracle]# df -all -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
6.7G 6.1G 228M 97% /
proc 0 0 0 - /proc
sysfs 0 0 0 - /sys
devpts 0 0 0 - /dev/pts
/dev/sda1 99M 12M 82M 13% /boot
tmpfs 754M 0 754M 0% /dev/shm
/dev/sdb1 7.9G 1.9G 5.7G 25% /labs
none 0 0 0 - /proc/sys/fs/binfmt_misc
sunrpc 0 0 0 - /var/lib/nfs/rpc_pipefs


Clearly, the filesystem /dev/mapper/VolGroup00-LogVol00 does not have much space left.

Is there a way I can increase it?

Kind regards,
Apostolis
  • 1. Re: How to increase disk space
    bigdelboy Pro
    Currently Being Moderated
    Apostolis wrote:
    Hello,

    I downloaded the Enterprise Java Development VM from the Pre-Built Developer VMs (http://www.oracle.com/technetwork/community/developer-vm/index.html) which has the Oracle Linux 5 OS.

    After some days of using it, on of the partitions does not have any free space. Here is the result of df -all -h:

    [root@localhost oracle]# df -all -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/mapper/VolGroup00-LogVol00
    6.7G 6.1G 228M 97% /
    proc 0 0 0 - /proc
    sysfs 0 0 0 - /sys
    devpts 0 0 0 - /dev/pts
    /dev/sda1 99M 12M 82M 13% /boot
    tmpfs 754M 0 754M 0% /dev/shm
    /dev/sdb1 7.9G 1.9G 5.7G 25% /labs
    none 0 0 0 - /proc/sys/fs/binfmt_misc
    sunrpc 0 0 0 - /var/lib/nfs/rpc_pipefs


    Clearly, the filesystem /dev/mapper/VolGroup00-LogVol00 does not have much space left.

    Is there a way I can increase it?

    Kind regards,
    Apostolis
    I confess to not knowing the details of your VM manager ..... however I think you have the following approaches:

    (1) Try to understand what is increasing in the root ( /) fileystem .... are things being written their that should be goiing under labs ?
    ( Can you move something to /labs ?? ).

    (2) Expand VolGroup00 if there is space on the underlying virtual disk.
    --- expand the underlying virtual disk if possible.

    (3) Add an additional virtual disk to VolGroup00


    I cant judge which of these are possible for you and which is the best. Others may know better
  • 2. Re: How to increase disk space
    Apostolis Newbie
    Currently Being Moderated
    Hey,

    Thank you so much for your answer.

    1) I would appreciate a solution that does not require for me to move any files.

    2) I expanded the underlying virtual disk but the filesystem size didn't change.

    3) Could you please let me know how could I add a new virtual disk to VolGroup00?

    Thank you.

    Regards,
    Apostolis
  • 3. Re: How to increase disk space
    Dude! Guru
    Currently Being Moderated
    To add more space to a LVM volume group you can try the following:

    Add a new disk to your system (virtual or real) and create a new partition:

    <pre>
    # fdisk /dev/sdb

    Create a new primary partition (/dev/sdb1) and mark it with hex code 8e (linux lvm)
    (n p 1 enter enter t 8e w)

    then:

    # vgextend /dev/VolGroup00 /dev/sdb1
    # lvextend -L+19G /dev/VolGroup00/LogVol00
    # resize2fs /dev/VolGroup00/LogVol00
    </pre>
  • 4. Re: How to increase disk space
    Apostolis Newbie
    Currently Being Moderated
    Hello,

    I log in as root and I try to run the above-mentioned commands (disk, vgextend, lvextend, resize2fs) but they are not found.

    Should I install a software in order to get these commands?

    Regards,
    Apostolis
  • 5. Re: How to increase disk space
    bigdelboy Pro
    Currently Being Moderated
    Apostolis wrote:
    Hello,

    I log in as root and I try to run the above-mentioned commands (disk, vgextend, lvextend, resize2fs) but they are not found.

    Should I install a software in order to get these commands?

    Regards,
    Apostolis
    I am doing a quick answer while not being at a linux machine.

    These commands are likely to be in /usr/sbin

    ie ... does /usr/sbin/fdisk work ?

    Also if you got to root via 'su root' rather than 'su - root' that might be your problem.

    These comments are a quick guess and I welcome a better suggestion.
  • 6. Re: How to increase disk space
    Dude! Guru
    Currently Being Moderated
    You need to login as root, password welcome1. Then open Terminal from the Applications/Accessories menu. You can type the commands as shown. No additional software needs to be installed.
  • 7. Re: How to increase disk space
    Apostolis Newbie
    Currently Being Moderated
    Thank you all for your help!

    Regards,
    Apostolis

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